Factorial

Front

What is a factorial?

Back

A factorial, denoted by n!, is the product of all positive integers from 1 to n.

Front

What is the value of 0! ?

Back

0! = 1 by definition.

Front

Calculate 5!

Back

5! = 5 × 4 × 3 × 2 × 1 = 120.

Front

What does n! represent?

Back

n! represents the factorial of n, which is the product of all positive integers up to n.

Front

What is the factorial of 3?

Back

3! = 3 × 2 × 1 = 6.

Front

What is the relationship between n! and (n-1)!?

Back

n! = n × (n-1)!.

Front

Calculate 7!

Back

7! = 7 × 6 × 5 × 4 × 3 × 2 × 1 = 5040.

Front

What is the factorial of 1?

Back

1! = 1.

Front

Which of the following is a factorial? 5!, 5a, 5?, 5*

Back

5! is a factorial.

Front

What is 4! called?

Back

4! is called Four Factorial.